{"version": "0.1.7", "img_width": 760, "img_height": 1200, "blocks": [{"box": [255, 313, 276, 394], "vertical": true, "font_size": 21, "lines_coords": [[[255.0, 313.0], [276.0, 313.0], [276.0, 394.0], [255.0, 394.0]]], "lines": ["な．．．．．．"]}]}